Home / 3,208,764.98-4,813,155.68-812,609.89

Finding the Fourth Proportional to 3,208,764.98, 4,813,155.68 and 812,609.89

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Solution

The fourth proportional to 3,208,764.98, 4,813,155.68 and 812,609.89 is: 1,218,916.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,764.98 : 4,813,155.68 = 812,609.89 : x
  2. Step 2: Convert to fraction form
    3,208,764.98/4,813,155.68 = 812,609.89/x
  3. Step 3: Cross multiply
    3,208,764.98x = 4,813,155.68 × 812,609.89
  4. Step 4: Simplify right side
    3,208,764.98x = 3,911,217,891,581.74
  5. Step 5: Solve for x
    x = 3,911,217,891,581.74/3,208,764.98
  6. Step 6: Final answer
    x = 1,218,916.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.